21710470

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2677}}^1$

素因数の和:3495

約数の個数: 16

約数和(自身を含む): 39141648

約数和(自身を除く): 17431178

約数列:

[1, 2, 5, 10, 811, 1622, 2677, 4055, 5354, 8110, 13385, 26770, 2171047, 4342094, 10855235, 21710470]

約数ペア:

[(1, 21710470), (2, 10855235), (5, 4342094), (10, 2171047), (811, 26770), (1622, 13385), (2677, 8110), (4055, 5354)]